80515316 has 24 divisors (see below), whose sum is σ = 161930496. Its totient is φ = 34313760.

The previous prime is 80515291. The next prime is 80515319. The reversal of 80515316 is 61351508.

It is a super-2 number, since 2×80515316² = 12965432221159712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80515319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2876 + ... + 13011.

It is an arithmetic number, because the mean of its divisors is an integer number (6747104).

Almost surely, 2^80515316 is an apocalyptic number.

It is an amenable number.

80515316 is an abundant number, since it is smaller than the sum of its proper divisors (81415180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80515316 is a wasteful number, since it uses less digits than its factorization.

80515316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16079 (or 16077 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 80515316 is about 8973.0327091792. The cubic root of 80515316 is about 431.8101374759.

The spelling of 80515316 in words is "eighty million, five hundred fifteen thousand, three hundred sixteen".